ASP SpellCheck is an international spell checking component for Microsoft ASP (VBScript) web applications. ASPSpellCheck provides international spellchecking for your ASP applications. It is suitable for use with W3C HTML and XHTML applications, and has a good degree of accessibility.
With no ActiveX controls Database or DLLs to install, you can be up and running in minutes. ASPSpellCheck even be used on virtual/shared hosting.

Integrate (as-you-type and dialog) spell checking functionality into .NET
Windows applications. Add spell checking value to any textual application (email,
word processor etc) with a couple of lines of code. RapidSpell Desktop can also
be used in non GUI contexts using it's spell checking API. Written for dotNET in
C#, RapidSpell uses combined and separate 140,000 word U.S. & U.K. dictionaries
(and user dictionary), multi-threaded GUI and a powerful suggestion engine.
Canadian & Australian English dictionaries are available free on request.